Gyrinus affinis Aubé, 1838

Kings Co.: Upton, 6.VI.1953, F.M. Cannon, (1, ACPE). Queens Co.: Charlottetown, 20.VI.1936, lily pond, UPEI; Vernon River, MacMillan’s Pond, 3.VI.1970, R. Wenn, (1, UPEI) .

Newly recorded on Prince Edward Island, this species is found in both lentic (58.8%) and lotic (41.2%) environments (Oygur and Wolfe 1991).